How often do I need to service my HVAC system?

• <div><p>You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives). </p><p>Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. <a href="https://www.angi.com/articles/ac-service-cost.htm">HVAC maintenance costs</a> around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.</p></div>

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TRUSTED BY CENTERTOWN, MO HOMEOWNERS

4.2
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Verified Reviews for Heating Oil Service pros in Centertown, MO

*The Angi rating for Heating Oil Service companies in Centertown, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

*The HomeAdvisor rating for Heating Oil Service companies in Centertown, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

Last update on November 11, 2025

Reviewed in December 2017
Mike first came out to replace the control valve on my rental property gas water heater. Subsequently, the control valve was defective and needed to be replaced again. Mike worked with the manufacturer to resolve the issue and went above and beyond guiding through the troubleshooting process....
Wenger Plumbing & Appliance Installation
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Reviewed in July 2017
Complex since old water heater was very hard to take out of closet. Technician did great and figured out how to get it out.
MasterTech Inc
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Reviewed in March 2017
Of the 3 J B Plumbing was the only one to show up. One did the estimate over the phone with text pictures (which is OK but in person gives you a better feel for the person you are working with. We also had a leak in the wall behind the water heater that needed addressed. Joey showed up and...
J B Plumbing
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Reviewed in March 2014
A little research on the web was leading me to think I was going to have to replace the water heater. However Wallace Plumbing came out and inspected the system and quickly determined that all that was needed was to clean out the short In/Out pipes on the top of the water heater. About an hour...
Wallace Plumbing
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Reviewed in November 2013
They have done oil changes for me and also exchanged power steering fluid for me. My experience has been good and they have always treated my wife well. The only complaint I have is they change management frequently but they do good work.
NTB
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Reviewed in September 2013
Great clean service area and team. I had my tires and oil changed. They did a good job it was fast and clean for a very busy shop. I just think in the end it was a little $$$$$
Joe Machens Toyota - Scion
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Reviewed in September 2013
I went in for a simple oil change and tire rotation. I get a call a bit later saying they put new tires on and cost. Didnt ask if that was ok with me first. Really annoying!
Meineke Car Care Centers Inc
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Reviewed in June 2013
I have used Crull and Sons twice - both with very satisfactory results. The last service call was because my hot water heater was leaking water. Another company told me I needed a new hot water heater. Mr. Crull replaced a valve and it's working fine. He's always prompt, courteous, and...
Crull & Sons Plumbing
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Reviewed in July 2012
They are good for checkups including oil changes. They are equal and fair. Their prices are normal and not over extravagant for a car dealership. They are perfect on responsiveness. I would use them again.
California Ford
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Heating Oil questions, answered by experts

Costs depend on system age, type, labor, and whether part replacements are necessary.

You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives).

Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. HVAC maintenance costs around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.

DIY maintenance like filter cleaning is possible, but professional servicing ensures proper pressure, refrigerant levels, and loop performance.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

Most maintenance checks take 2-5 hours, though extensive repairs may take longer.

The homeowners guide to home care is here

From average costs to expert advice, get all the answers you need to get your job done.

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